P. PEARSON 1948 54 Caught by M. Koford mouth of Malpaso Creek, 5 mi. S. of Carmel, Monterey Co. Calif. Dec 11, 1948. 1406 ♀ Corynopterus rafinesquii 9.3 g. mipple tiny. Uteri not swollen but vascular. One hemorrhagic spot in RT-ovary. B.V. not thick-walled (no white sheathing markly under dissecting scope). No sperm apparent. Some fat but not as much as 0 seen but a month ago. Dissections: [3] median [illegible] follicles in one ovary (at least 1 atretic) and 2 (atretic) in other. 5's good stain. Many sperm in vagina + uterus. No thick-walled arteries found. 1407 ♀ Corynopterus rafinesquii 10 g. Banded 46-26780 - dissecting when banded July 21, 1947. also cought July 23, 1947, same place. Mipple small. No sperm apparent. [light] Some fat but not much. Uteri not swollen, but vascular. artery conspicuously white-sheathed. Pink follicle in RT-ovary. Caught trapped in house with 1406-1409. Mothers: small and follicles in sperm in uterine. Mucus locally abundant in uterus - vagina [crossed out] [illegible] crossed out. 1408 ♂ Corynopterus rafinesquii 10.0 g. Testes 6 mm., epididymis even larger. Seminiferous tubules just visible under dissecting scope. No fat. RT lobe of liver very large and swollen, looks pathological, spermatozoa: Lumen open, many large [illegible] Numerous interstitial cells but don't look secreting. Sperm in epididymis. Tubules with many [illegible] and a few smaller. 1409 ♀ Corynopterus rafinesquii 9.3g. mipple tiny. Considerable fat. Uteri rather small, not vascular, large artery not readily visible, but no sheathing seen. No large follicles seen under dissecting scope. Many sperm in vaginal areas. Dissections: a few sperm in uterus. One median follicle in one ovary.